"LVMH's Marriott code 256547 is for the French luxury conglomerate (Louis Vuitton, Moët, Hennessy, Dior, Sephora). LVMH has significant Paris, New York, and global presence. hotelcorporatecodes.com: "⚠️ Sometimes" for luxury conglomerate codes. Paris Marriott properties (near LVMH HQ) are among the most enforcement-active European properties. LVMH employees frequently travel between luxury brand headquarters globally. No 256547-specific denial documented, but European Marriott properties verify with increasing frequency."

"I have been asked to show some proof couple of times. I normally show my corp id but credit card with employers name on it has worked, too. As would probably just showing my laptop with employer e-mail account or whatever. My impression has been they are happy with just about anything that proves I'm working for the company whose rate I use and why wouldn't they."

"I work for the front desk, at a Marriott, & have for the last 8 years .... So when it comes to room upgrades; it goes based on AVAILABILITY... sometimes no matter the tier, if we have it available - I will upgrade the guest. Now of course, higher tiered members get dibs on the upgrades first but after we go through the higher tiered members, Ambassador, Titanium, Platinum - then we go through the other ones. I cannot express this enough : BEING NICE & POLITE AT THE DESK GOES A LONG WA"